What Is This?
Tuned
Joined: Feb 2016
Posts: 358
Likes: 32
From: washington
x2 on the zink/galv., Those fumes are really bad, Put on a respirator for sure!! Just had same thing happen on a small piece I was repairing. little white fumes when burning in. Welds find but probably as healthy as the virus.
Logistics Pro
Joined: Sep 2014
Posts: 4,920
Likes: 21
From: Bothell & Silverdale, WA
Cargo Master
Joined: Feb 2008
Posts: 2,793
Likes: 128
From: Windermere Valley,B.C. Ca
X4, ... with a story, if you had started on the other side you probably would have had bad ugly welds that wouldn't penetrate. How do I know this, I was just using the floor pan out of a Lincoln viii in a project car as seat and console mount and I could not get good welds with the white spots. Turned out the floor pan was galvanized coated and had to grind it off where I was welding. Pictures available upon request.
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Cross-Country
Joined: Nov 2015
Posts: 71
Likes: 14
From: Sioux Falls
Yikes.... I thought it could have been one of two things:
1.) Crazy spiders helping me, or
2.) Something potentially harmful. I vaguely remember someone talking about this on a thread years ago, which is why I immediately stopped and posted this question.
This is why this site is the best! Much appreciated.
1.) Crazy spiders helping me, or
2.) Something potentially harmful. I vaguely remember someone talking about this on a thread years ago, which is why I immediately stopped and posted this question.
This is why this site is the best! Much appreciated.
Post Fiend
Joined: Feb 2008
Posts: 5,831
Likes: 121
From: St Albert, Alberta
To be specific the white stuff is zinc oxide, inhaling vaporized zinc oxide can result in metal fume fever, symptoms are flu-like and usually pass within 24 hours. Best to wear a welding particulate respirator when welding galvanized, to be honest it's a good idea to wear a welding particulate respirator whenever you are welding.
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Logistics Pro
Joined: Nov 2006
Posts: 3,671
Likes: 367
From: Fallon,NV & Bainbridge OH
I also say galvanized (zinc) material, you can weld it but clean weld areas by sanding or light grinding first, weld in open area, open garage is ok, a fan works wonders and keep you head out of the weld smoke.
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Fleet Mechanic
Joined: Apr 2015
Posts: 1,583
Likes: 480
From: Kemptville, ON,
Don't use a fan if you are mig welding. Blows the shielding gas away. Welds look like crap afterwards. Like others say, fresh air is important, that stuff is toxic big time.
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